164515036061 has 4 divisors (see below), whose sum is σ = 164515854300. Its totient is φ = 164514217824.

The previous prime is 164515035991. The next prime is 164515036067. The reversal of 164515036061 is 160630515461.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 30902124100 + 133612911961 = 175790^2 + 365531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164515036061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164515036067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124295 + ... + 586923.

It is an arithmetic number, because the mean of its divisors is an integer number (41128963575).

Almost surely, 2^164515036061 is an apocalyptic number.

It is an amenable number.

164515036061 is a deficient number, since it is larger than the sum of its proper divisors (818239).

164515036061 is an equidigital number, since it uses as much as digits as its factorization.

164515036061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818238.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 164515036061 in words is "one hundred sixty-four billion, five hundred fifteen million, thirty-six thousand, sixty-one".